Для лизы 3

#include <conio.h>
#include <stdio.h>
#include <stdlib.h>
int main()
{
	int size;
	printf("Enter size array\n");
	scanf_s("%d", &size);
	int *a = (int*)calloc(size, sizeof(int));
	printf("Enter elements array\n");
	for (int i = 0; i < size; i++)
		scanf_s("%d", a + i);
	for (int i = 1; i < size; i += 2)
		if (a[i]> 0) {
			int minIndex = i;
			for (int j = i + 2; j < size; j += 2)
				if (a[j] < a[minIndex])
					minIndex = j;
			int tm = a[i];
			a[i] = a[minIndex];
			a[minIndex] = tm;
		}
	printf("Out array\n");
	for (int i = 0; i < size; i++)
		printf("%d ", a[i]);
	free(a);
	_getch();
	return 0;
}